Description
Champion REM40E Standard Electrode Aviation Spark Plug. Thread size: 18 mm Reach: 1/2"/1.27 cm Shielded Threading: 5/8" - 24 Standard Electrode: Two Prong Plug Gap: .016"-.021"/0.41-0.53 mm
Don't forget T556 Spark Plug Thread Lube.
Click Here for the Champion Spark Plug Application Guide
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